Cicd Diagnostics

@dotcms/core-cicd-diagnostics

Diagnoses DotCMS CI/CD build failures in GitHub Actions workflows (PR, merge queue, trunk, nightly). Identifies failed tests, determines root causes (new vs flaky), compares workflow runs, checks known issues, and creates GitHub issues. Use when investigating build failures, checking workflow status, analyzing test flakiness, or debugging CI/CD pipeline issues.